Showing 50 open source projects for "app"

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  • 1
    Standard Notes App

    Standard Notes App

    Think fearlessly with end-to-end encrypted notes and files

    Standard Notes is a free, secure note-taking app with powerful end-to-end encryption, unparalleled privacy features, and seamless cross-platform syncing on unlimited devices. Standard Notes is a secure digital notes app that protects your notes and files with audited, industry-leading end-to-end encryption. Only you have access to the keys required to decrypt your data. Write and store all your notes and files in one secure place and seamlessly access them across all your devices. ...
    Downloads: 7 This Week
    Last Update:
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  • 2
    ZenPen

    ZenPen

    A minimalist writing zone

    ZenPen is a minimalist web writing app designed to help users focus on writing without interface clutter. It provides a clean editing zone where the writing experience stays simple and distraction-free. The app saves content locally using HTML5 local storage, so users can return to their writing without needing a server account. It includes basic text styling tools while keeping the interface intentionally minimal.
    Downloads: 2 This Week
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  • 3
    MiaoYan

    MiaoYan

    Lightweight Markdown app to help you write great sentences

    MiaoYan is a lightweight, native Markdown note-taking app for macOS, built to give programmers and writers a fast, distraction-free environment for text. It is fully local-first, meaning your notes live as plain Markdown files on your machine rather than in a proprietary cloud, which appeals to privacy-conscious users. The app focuses on a minimalist three-column layout (folders, note list, editor) with syntax highlighting, dark mode, and typography tuned for Chinese and English writing. ...
    Downloads: 0 This Week
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  • 4
    Reor Project

    Reor Project

    Private & local AI personal knowledge management app

    Reor is an AI-powered desktop note-taking app: it automatically links related notes, answers questions on your notes, provides semantic search and can generate AI flashcards. Everything is stored locally and you can edit your notes with an Obsidian-like markdown editor. The hypothesis of the project is that AI tools for thought should run models locally by default. Reor stands on the shoulders of the giants Ollama, Transformers.js & LanceDB to enable both LLMs and embedding models to run locally.
    Downloads: 6 This Week
    Last Update:
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  • 5
    Nextcloud Text

    Nextcloud Text

    Collaborative document editing using Markdown

    ...Though it is available in Nextcloud 16 and 17, anybody can access Text whether they’re using Nextcloud or not. Nextcloud Text files are saved as Markdown, so they can be edited from any other text app. Nextcloud Text is lightweight and distraction-free, giving you only the formatting that you need so you can focus on writing.
    Downloads: 4 This Week
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  • 6
    Notes

    Notes

    Note taking application, write down your thoughts.

    Notes is an open source, cross-platform note-taking application. Write down your thoughts with ease, and always have them with you with this simple, streamlined app.
    Downloads: 9 This Week
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  • 7
    FocusWriter

    FocusWriter

    Simple fullscreen word processor

    ...It creates a clean, full-screen environment that hides menus and notifications until summoned, helping users concentrate on text with minimal UI interference, and it supports plain-text formats so your work remains simple and portable. The app includes useful writing aids such as daily goals, timers, alarms, and optional typewriter sound effects — features that help users build routines, track progress, or capture bursts of creativity. While minimalist in appearance, FocusWriter also offers enough utility to be practical: customizable themes, auto-save, session statistics, and spell check help manage longer projects while preserving focus.
    Downloads: 16 This Week
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  • 8
    Notepads

    Notepads

    A modern, lightweight text editor with a minimalist design

    I have been waiting long enough for a modern Windows 10 notepad app to come before I decided to create one myself. Don’t get me wrong, Notepad++, VS Code, and Sublime are great text editors. I have used them all and I will continue to use them in the future. However, they are either too heavy or look less appealing. There are times that I just wanted to use Windows Notepad for things like writing notes or editing config files.
    Downloads: 16 This Week
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  • 9
    Mockoon

    Mockoon

    Run mock APIs locally, no remote deployment, no account required

    ...Mockoon offers you complete flexibility when creating your mocks: custom statuses, route and global headers, file serving or body editor, HTTPS, etc. Simulate real-life scenarios with dynamic templating and the response rules system. Test your app resilience with sequential and random responses.
    Downloads: 16 This Week
    Last Update:
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  • 10
    Ferrite

    Ferrite

    A fast, lightweight text editor for Markdown, JSON, YAML, and TOML

    Ferrite is a fast, lightweight desktop text editor built for people who spend a lot of time working in structured text formats and want a snappy, native-feeling app instead of a heavy IDE. It focuses on common “config and docs” formats like Markdown and popular structured data files, so it fits naturally into developer, DevOps, and technical writing workflows. The editor is designed around responsiveness and low overhead, prioritizing quick startup, smooth scrolling, and predictable editing even when you are jumping between many small files. ...
    Downloads: 15 This Week
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  • 11
    organice

    organice

    An implementation of Org mode without the dependency of Emacs

    ...On iOS and Android, you can install organice to your homescreen. When started from there, it will run in full-screen as a Progressive Web Application (PWA) which will add offline capabilities (see chapters progressive web app and offline support).
    Downloads: 2 This Week
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  • 12
    Remarkable for Linux

    Remarkable for Linux

    The Markdown Editor for Linux

    ...This has a simple, easy-to-learn syntax with features like checklists, highlighting, links, images and more. Remarkable allows you to export your files to PDF and HTML from within the app. The HTML code is even prettified and PDFs have a TOC. You can style your markdown documents however you like. If you don't like the default styles you can use your own. The code you write is highlighted in the Live Preview. This makes Remarkable great for writing software documentation or even taking lecture notes. You can set up Remarkable whatever way you like. ...
    Downloads: 0 This Week
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  • 13
    Marker

    Marker

    A Desktop App for Easily Viewing and Editing Markdown Files

    Marker is an open-source, user-friendly UI for writing & editing markdown files. Everything you create lives in your filesystem.
    Downloads: 8 This Week
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  • 14
    QPrompt

    QPrompt

    Personal teleprompter software for all video makers.

    Free teleprompter software for all video creators. Built with ease of use, fast performance, control accuracy, and cross-platform support in mind. QPrompt works with studio teleprompters and tablet teleprompters, cellphones, and webcams. It was also designed for use in video conferences.
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    Downloads: 1,702 This Week
    Last Update:
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  • 15
    ScreenTranslate

    ScreenTranslate

    Translate any text on your Mac screen — capture or select,instantly.

    ...Screen Capture Translation: Press Cmd+Shift+T, drag over any text on screen, and get an instant translation popup. Works with images, PDFs, and subtitles using OCR (Apple Vision). Text Selection Translation: Select text in any app and press Cmd+Option+Z to translate directly. No OCR needed. - Free and open-source (GPL-3.0) - On-device translation using Apple Translation - Works offline with downloaded language packs - 20 languages with auto-detect - Optional cloud engines (DeepL, Google, Azure) with your own API key - Auto-copy to clipboard - Translation history with search - Lightweight menu bar app - Apple Silicon and Intel Mac supported - macOS 15 (Sequoia) or later required
    Downloads: 36 This Week
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  • 16
    kindling

    kindling

    Fiction writing app that scaffolds your draft from your outline.

    Kindling is a free, open-source desktop writing app for fiction writers who outline before they draft. Instead of staring at a blank page, you write directly into a scaffold built from your own outline — scene beats become expandable writing prompts, with character and location references surfacing automatically as you write. Import from Scrivener (.scriv), Plottr (.pltr), yWriter (.yw7), Obsidian Longform, or Markdown.
    Downloads: 13 This Week
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  • 17
    BinEd Binary/Hex Editor

    BinEd Binary/Hex Editor

    Binary / hex editor and component written in Java

    Free and open source hex editor written in Java. This is standalone desktop app, library for Java applications as well as variants for Java IDEs are also available.
    Downloads: 33 This Week
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  • 18
    Verti-Horiz Text File Merger

    Verti-Horiz Text File Merger

    Web app to merge multiple TXT files vertically or horizontally

    # Verti-Horiz Text File Merger An offline standalone web app to merge TXT files vertically or append them horizontally. ## Vertical Stacking The Vertical Merger combines multiple text files into one, joining them one after another in alphabetical filename order. ## Horizontal Append The Horizontal Appender combines two text files line by line, merging corresponding lines from each file.
    Downloads: 2 This Week
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  • 19
    溫度日記 Hearty Journal

    溫度日記 Hearty Journal

    療癒系心情日記 App

    ...Its aesthetic looks like a piece of notebook paper with handwritten words on it. Also, beautiful themes, lovely journal stickers and luxury fonts are available in the app. Hearty Journal works on both your computer and phone (Windows, macOS, iOS and Android are supported). Moreover, to keep your memories safe, entries will be encrypted synced to the cloud for backup. A sanctuary for your mind and soul, Hearty Journal will help pour your feelings/brain dump, increase your positive energy, be more grateful and a calmer mind by building healthy thinking through journaling.
    Downloads: 0 This Week
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  • 20
    PCSecrets

    PCSecrets

    Encrypt and manage secret text data

    ...To enable the sync feature with Secrets for Android, you need to install the PCSecrets Sync app, downloadable from SourceForge or Google Play. PCSecrets import plus PCSecrets Sync provides a route to importing secret data into Secrets for Android that would not otherwise be possible.
    Downloads: 3 This Week
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  • 21
    Obsidian MEDILIG

    Obsidian MEDILIG

    Obsidian MEDILIG (Medical Life Guard) App Local-First Offline-First

    Obsidian MEDILIG (Medical Life Guard): An easy-to-use, flexible, secure, cross-platform medical knowledge management system for patient's Electronic Health Record (EHR) that is built on top of Obsidian software application for the design, implementation and use of autonomous, multilingual, clinical documents from primary care to continuing care.
    Downloads: 2 This Week
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  • 22
    polished

    polished

    A lightweight toolset for writing styles in JavaScript

    Want to write styles in JavaScript, but also want Sass-style helper functions and mixins? Need a consistent color palette throughout your app? polished is for you! Make your app look great without stress. Cross framework compatible. No matter if you're using styled-components, emotion, jss, aphrodite, radium, or plain inline styles, as long as you're writing your styles in JavaScript you can use polished! Switching from a pre-processor to styles in JS made easy. polished modules are meant to be used as stand-alone imports. ...
    Downloads: 2 This Week
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  • 23

    TextEditor

    Efficient Text Editor App

    Text Editor is a lightweight and user-friendly text editor designed to provide a streamlined writing experience for users. Whether you're a student, a professional, or an aspiring writer, Text Editor offers a range of essential features without overwhelming complexity. Its clean and intuitive interface ensures that you can focus on your writing without distractions, making it an ideal choice for all your text editing needs.
    Downloads: 5 This Week
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  • 24
    WebEditorWeb

    WebEditorWeb

    Code editor in single HTML file

    Code editor written in a single HTML file that runs on the browser tab. There is no need to install, download a single file and run anywhere. To change the initial configuration, edit the wew.html file in the last lines. * WebEditorWeb use CodeMirror components in code editor.
    Downloads: 0 This Week
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  • 25
    SubEthaEdit

    SubEthaEdit

    General purpose plain text editor for macOS

    The app that started the collaborative editing revolution is back. Write articles, code, notes or meeting minutes with friends – wherever they are. Ideal for extreme programming sessions, tutoring, and creative writing. And now it is free and open source! Have as many windows open of one document as you like. Great for comparing multiple places, keeping a reference section open, or following others.
    Downloads: 0 This Week
    Last Update:
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